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1 //
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25 //
26 // class G4ParameterisedNavigation
27 //
28 // Class description:
29 //
30 // Utility for navigation in volumes containing a single G4PVParameterised
31 // volume for which voxels for the replicated volumes have been constructed.
32 // [Voxels MUST be along one axis only: NOT refined]
33
34 // History:
35 // - Created. Paul Kent, Aug 96
36 // --------------------------------------------------------------------
37 #ifndef G4PARAMETERISEDNAVIGATION_HH
38 #define G4PARAMETERISEDNAVIGATION_HH
39
40 #include "G4Types.hh"
41
42 #include <vector>
43
44 #include "G4VoxelNavigation.hh"
45 #include "G4NavigationHistory.hh"
46 #include "G4AffineTransform.hh"
47 #include "G4VPhysicalVolume.hh"
48 #include "G4VPVParameterisation.hh"
49 #include "G4LogicalVolume.hh"
50 #include "G4VSolid.hh"
51 #include "G4ThreeVector.hh"
52 #include "G4BlockingList.hh"
53
54 class G4ParameterisedNavigation : public G4VoxelNavigation
55 {
56 public: // with description
57
58 G4ParameterisedNavigation();
59 ~G4ParameterisedNavigation() override;
60
61 inline G4SmartVoxelNode* ParamVoxelLocate( G4SmartVoxelHeader* pHead,
62 const G4ThreeVector& localPoint );
63
64 G4bool LevelLocate( G4NavigationHistory& history,
65 const G4VPhysicalVolume* blockedVol,
66 const G4int blockedNum,
67 const G4ThreeVector& globalPoint,
68 const G4ThreeVector* globalDirection,
69 const G4bool pLocatedOnEdge,
70 G4ThreeVector& localPoint ) override;
71
72 G4double ComputeStep( const G4ThreeVector& globalPoint,
73 const G4ThreeVector& globalDirection,
74 const G4double currentProposedStepLength,
75 G4double& newSafety,
76 G4NavigationHistory& history,
77 G4bool& validExitNormal,
78 G4ThreeVector& exitNormal,
79 G4bool& exiting,
80 G4bool& entering,
81 G4VPhysicalVolume *(*pBlockedPhysical),
82 G4int& blockedReplicaNo ) override;
83
84 G4double ComputeSafety( const G4ThreeVector& localPoint,
85 const G4NavigationHistory& history,
86 const G4double pProposedMaxLength=DBL_MAX ) override;
87
88 void RelocateWithinVolume( G4VPhysicalVolume* motherPhysical,
89 const G4ThreeVector& localPoint ) override;
90
91 private:
92
93 G4double ComputeVoxelSafety( const G4ThreeVector& localPoint,
94 const EAxis pAxis ) const;
95 G4bool LocateNextVoxel( const G4ThreeVector& localPoint,
96 const G4ThreeVector& localDirection,
97 const G4double currentStep,
98 const EAxis pAxis );
99 private:
100
101 // Necessary to resolve cases with nested parameterisations
102
103 inline G4VSolid* IdentifyAndPlaceSolid( G4int num,
104 G4VPhysicalVolume* apparentPhys,
105 G4VPVParameterisation* curParam );
106 // Call virtual 'Compute' methods, and copy information if nested.
107 // 'ApparentPhys' is potentially a PhysV or PhysT.
108
109 G4VPhysicalVolume* CreateVolumeWithParent(G4VPhysicalVolume* curPhysical,
110 const G4NavigationHistory& hist );
111 // Create necessary parent touchable and physical with parent.
112
113 private:
114
115 // Voxel Stack information (for 1D optimisation only)
116 //
117 EAxis fVoxelAxis = kUndefined;
118 G4int fVoxelNoSlices = 0;
119 G4double fVoxelSliceWidth = 0.0;
120 std::size_t fVoxelNodeNo = 0;
121 G4SmartVoxelHeader* fVoxelHeader = nullptr;
122 };
123
124 #include "G4ParameterisedNavigation.icc"
125
126 #endif
127